What are Harmonographs used for?

What are Harmonographs used for?

A harmonograph is a simple mechanical machine consisting of multiple pendulums and is used to demonstrate the effects of coupled oscillators by tracing out geometric patterns. Our harmonograph consists of two pendulums and traces Lissajous Figures when set in motion. Equipment: Harmonograph apparatus.

Who invented the harmonograph?

The harmonograph was invented in 1844 by Hugh Blackburn, a professor of mathematics at the University of Glasgow. The harmonograph used to create the images in this exhibit employs three pendulums to control the movement of a pen relative to a drawing surface.

What is sand pendulum?

The sand pendulum is an exhibit which is sure to bring out the playfulness and delight the imagination of any participant. The purpose of this exhibit is to provide a graphic illustration of the interplay between two simple harmonic motions, with different frequencies, at right angles to each other.

How can I make a Harmonograph at home?

Homemade Harmonograph!

  1. 3 x 8′ lengths of 2″x2″ wood (or use what’s available)
  2. 3/4″ plywood (around 15″ x 30″ needed)
  3. 1/2″ wood dowel.
  4. 8 eye hooks.
  5. 4 clothespins.
  6. String or cord.
  7. Paper.
  8. Tape.

How do you make a pendulum art?

Swing and Paint

  1. Drop one of the drip cups into the cup holder on the pendulum.
  2. Use a finger to plug the hole in the bottom of the cup in the pendulum. Pour in mixed paint.
  3. When you’re ready, remove your finger and swing the pendulum over the canvas. Swap out paint drip cups with different colors as often as you wish.

What kind of paint do you use on pendulum art?

Mix one part tempera paint with one part water. Paint should run freely but should not be too watery. Add more paint or water if necessary. Strain paint and water mixture through sieve to remove any lumps and prevent the pendulum nozzle from clogging.

How do you make an amazing pendulum painting?

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